Weldolet fittings – the Branch Connection Fittings are also named as Outlet fittings. Outlets are a family of forged products used to make 90 degree or 45 (more…)
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The ISO 5208 rate A specify a leakage by internal tightness seat test (or often also called closure test) of valves. Usually one side (more…)
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Pressure-relieving valves and devices shall conform to the requirements specified standards and specifications. Additional requirements for certification and marking requirements such as PED (CE (more…)
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Piping in acc. to ISO 3183 and API SPEC 5L must be evaluated with regard to their suitability for the use of hydrogen. Additional (more…)
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The infrastructure for hydrogen storage and transportation needs to be safely used for a carbon-neutral society. One of the most important issues for the (more…)
…The hydrogen induced cracking of steels takes place according to different processes. Both the environmental conditions and other influences such as stresses and the (more…)
… API Spec 5L specifies requirements since 1928 for manufacture of Line Pipe. The scope of the current issue is defined as: “Requirements for the (more…)
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The definition of the leakage rate is necessary to make requirements comparable. The term leakage refers to the unintentional escape of gases or liquids (more…)
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ASME Designator (U, U2, …) must appear directly below the ASME Certification Mark, however it may be printed rather than stamped on nameplate. What (more…)
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